Kooks / Exhausts

Kooks 1-7/8 x 3-inch Slip-On Header Collector | 9905S

Check dimensions and connections
£268.47 VAT included. Shipping calculated for your destination.

Available to Order

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Delivery, customs and taxes Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Check your installation

Check the stated dimensions, connections and installation requirements before ordering. Contact us if you need help choosing the part.

Technical specifications
Specification Details
SKU 9905S
Application Custom header fabrication; single collector
Primary inlet diameter 1-7/8-inch inside diameter; slips over matching outside diameter primary tubes
Collector outlet diameter 3-inch outside diameter
Collector design Four-into-one with patented scavenging spike
Included Two A/B-style tabs to secure collector to primaries
Material 304 stainless steel

A 3-inch outlet for your fabricated header

Finish a 1-7/8-inch-primary header with Kooks 9905S. Its four-into-one 304 stainless design includes the patented scavenging spike, with a 3-inch outside-diameter outlet to connect to the exhaust you are making.

SKU: 9905S

A slip fit over the primary tubes

The primary inlets are 1-7/8-inch inside diameter, sized to slip over matching outside-diameter primary tubes. Two A/B-style tabs are supplied to secure the collector to those tubes.

Order for the actual header layout

Each item is one collector. Choose the quantity needed for your fabricated headers and have the collector joints aligned before final welding or assembly.

Ordering and delivery

Estimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.

Technical specifications

Specification Details
SKU 9905S
Application Custom header fabrication; single collector
Primary inlet diameter 1-7/8-inch inside diameter; slips over matching outside diameter primary tubes
Collector outlet diameter 3-inch outside diameter
Collector design Four-into-one with patented scavenging spike
Included Two A/B-style tabs to secure collector to primaries
Material 304 stainless steel

Frequently asked questions

What size is the outlet?

The collector outlet is 3-inch outside diameter.

Are securing tabs included?

Yes. Two A/B-style tabs are included with each individual collector.

Delivery, customs and taxes

Know the landed cost before you order

Prices include VAT. Shipping is charged separately and calculated at checkout for your destination. If no shipping option is shown, contact us for a quote before ordering.

Lead times and urgent orders

Check timing before you commit

Estimated lead time: 4–6 weeks. Delivery may be faster depending on stock levels. Contact us before ordering if timing matters.

Kooks 1-7/8 x 3-inch Slip-On Header Collector | 9905S
Kooks 1-7/8 x 3-inch Slip-On Header Collector | 9905S
Available to Order £268.47